15180418020 has 24 divisors (see below), whose sum is σ = 42505170624. Its totient is φ = 4048111456.

The previous prime is 15180418009. The next prime is 15180418021. The reversal of 15180418020 is 2081408151.

It is a happy number.

15180418020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (15180418021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126503424 + ... + 126503543.

It is an arithmetic number, because the mean of its divisors is an integer number (1771048776).

Almost surely, 2^15180418020 is an apocalyptic number.

15180418020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15180418020 is an abundant number, since it is smaller than the sum of its proper divisors (27324752604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15180418020 is a wasteful number, since it uses less digits than its factorization.

15180418020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253006979 (or 253006977 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The spelling of 15180418020 in words is "fifteen billion, one hundred eighty million, four hundred eighteen thousand, twenty".